Model capability probe

Nous: Hermes 4 70B | JSON mode

Whether Nous: Hermes 4 70B supports JSON mode cannot be decided from the name alone. Check model ID nousresearch/hermes-4-70b, provider Nousresearch, catalog params, modality, a lightweight runtime probe, and the error body together.

Model

nousresearch/hermes-4-70b

Nous: Hermes 4 70B

Provider

Nousresearch

6 models in catalog

Capability

JSON mode

json-mode

Catalog signal

catalog shows support

Context: 131,072

Capability probe summary

Model

nousresearch/hermes-4-70b

Capability

json-mode

Catalog signal

catalog shows support

Read-only check. Detection data burns after 5 minutes.

How to judge this capability

Whether Nous: Hermes 4 70B supports JSON mode cannot be decided from the name alone. Check model ID nousresearch/hermes-4-70b, provider Nousresearch, catalog params, modality, a lightweight runtime probe, and the error body together.

Model: nousresearch/hermes-4-70b
Provider: Nousresearch
Capability: JSON mode

How to prove it during checking

Read-only check. Detection data burns after 5 minutes.

Start with the catalog signal: catalog shows support, then verify with a real key in read-only mode.
The capability probe must bind model ID nousresearch/hermes-4-70b; do not test another model from the same provider.
JSON mode · supports frequency_penalty · supports include_reasoning · supports max_tokens · supports presence_penalty

Next action

Nous: Hermes 4 70B JSON mode should turn into an operator action: confirm sale tags, fill the capability matrix, change route, suggest a fallback model, or mark unsupported for now.

Read-only check. Detection data burns after 5 minutes.
Catalog signal: catalog shows support
Context: 131,072

Open key checker

Read-only check. Detection data burns after 5 minutes.